Home / 55,039.77-75,956.12-30,842.54

Finding the Fourth Proportional to 55,039.77, 75,956.12 and 30,842.54

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Solution

The fourth proportional to 55,039.77, 75,956.12 and 30,842.54 is: 42,563.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,039.77 : 75,956.12 = 30,842.54 : x
  2. Step 2: Convert to fraction form
    55,039.77/75,956.12 = 30,842.54/x
  3. Step 3: Cross multiply
    55,039.77x = 75,956.12 × 30,842.54
  4. Step 4: Simplify right side
    55,039.77x = 2,342,679,669.34
  5. Step 5: Solve for x
    x = 2,342,679,669.34/55,039.77
  6. Step 6: Final answer
    x = 42,563.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.